Specifications:

ARRI LMB-15

The LMB-15 holds 4x5.65 filters horizontally (non-rotating). The mattebox features extreme wide coverage so that even very wide angle lenses may be used without vignetting. It is extremely lightweight and comes with an adjustable carbon fiber top flag. Clamp rings are available for all of the popular film and video lenses with a maximum front diameter of 143mm.
2- or 3- metal filter stage guide
Combo 4x4 / 4x5.65" filter frames
Clamp adapters: 80, 95, 100, 110, 114, 130, 134, 136 & 143mm
Set of Masks LMB-25 (5 different masks)
Wide angle hood easily removable on set with captive screws